package exer;

public class ReviewTest {
    public static void main(String[] args){
        char c1 = 'a';
        char c2 = 97;//开发中非常少见

        System.out.println(c2);

        char c3 = 5;
        char c4 = '5';

        int i1 = (int)c4;
        System.out.println(i1);//53

    }
}
